Tetrabutylammonium Perfluorooctane Sulfonate
Tetrabutylammonium perfluorooctane sulfonate is a salt used as a phase-transfer catalyst, formed from tetrabutylammonium and perfluorooctane sulfonic acid. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of PFOS.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is classified primarily as a quaternary ammonium salt
The ammonium component may take precedence if the salt is not considered a PFOS salt.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the quaternary ammonium salt's purity and chemical structure
• Check if the product requires an import permit under Canadian chemical regulations
• Provide a detailed product specification sheet to CBSA for classification
Related Products under Tariff item 2904.35.00
Ammonium Perfluorooctane Sulfonate
Ammonium perfluorooctane sulfonate is the ammonium salt of perfluorooctane sulfonic acid (PFOS), a fully fluorinated organic compound with a sulfonate group. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of perfluorooctane sulfonic acid, consistent with Chapter 29 rules for salts of organic compounds.
Diethanolamine Perfluorooctane Sulfonate
Diethanolamine perfluorooctane sulfonate is a salt formed between the organic base diethanolamine and perfluorooctane sulfonic acid. It is a chemically defined organic compound classified under tariff item 2904.35.00 as an 'other salt' of PFOS, following Chapter 29 rules for salts of organic compounds.
Imidazolium Perfluorooctane Sulfonate
Imidazolium perfluorooctane sulfonate is a salt formed from imidazole and perfluorooctane sulfonic acid, often used in ionic liquid applications. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of perfluorooctane sulfonic acid.
Lithium Perfluorooctane Sulfonate
Lithium perfluorooctane sulfonate is the lithium salt of perfluorooctane sulfonic acid, a fully fluorinated organic compound with a sulfonate group. It is a chemically defined organic compound classified under tariff item 2904.35.00 as an 'other salt' of PFOS.
Magnesium Perfluorooctane Sulfonate
Magnesium perfluorooctane sulfonate is a divalent metal salt of perfluorooctane sulfonic acid, used in thermal and specialty applications. It is a chemically defined organic compound that falls under tariff item 2904.35.00 as an 'other salt' of PFOS.
Potassium Perfluorooctane Sulfonate
Potassium perfluorooctane sulfonate is the potassium salt of perfluorooctane sulfonic acid, a perfluorinated sulfonate salt used in specialty chemical applications. It is a chemically defined organic compound classified under tariff item 2904.35.00 as an 'other salt' of PFOS.